<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <table width="500" height="200" bgcolor="green" cellspacing="2" align="center">
        <caption>课程表</caption>
        <tr bgcolor="white" align="center">
            <th width="80" colspan="2"></th>
            <!-- <td></td> -->
            <td>星期一</td>
            <td>星期二</td>
            <td>星期三</td>
            <td>星期四</td>
            <td>星期五</td>
        </tr>
        <tr bgcolor="white">
            <th width="50" rowspan="2">上午</th>
            <td width="30">1</td>
            <td>语文</td>
            <td>数学</td>
            <td>物理</td>
            <td>化学</td>
            <td>生物</td>
        </tr>
        <tr bgcolor="white">
            <!-- <td></td> -->
            <td>2</td>
            <td>体育</td>
            <td>音乐</td>
            <td>几何</td>
            <td>画画</td>
            <td>舞蹈</td>
        </tr>
        <tr bgcolor="white">
            <th width="50" rowspan="2">下午</th>
            <td width="30">1</td>
            <td>体育</td>
            <td>画画</td>
            <td>音乐</td>
            <td>语文</td>
            <td>音乐</td>
        </tr>
        <tr bgcolor="white">
            <!-- <td></td> -->
            <td>2</td>
            <td>英语</td>
            <td>舞蹈</td>
            <td>体育</td>
            <td>唱歌</td>
            <td>体育</td>
        </tr>
        </tr>
    </table>
</body>

</html>